Bosch 1987972086 Fuel Injector Seal O-Ring Lower

The Bosch 1987972086 is a precision-engineered lower fuel injector seal designed to maintain the integrity of diesel fuel delivery systems. This critical O-ring creates a tight seal between the fuel injector nozzle holder and the cylinder head, preventing fuel leaks and ensuring optimal engine performance.

Key Features:

• OE-quality seal ring manufactured to Bosch specifications
• Designed for diesel fuel injection systems
• Heat-resistant construction withstands harsh engine bay temperatures
• Precision fitment ensures proper sealing and prevents fuel system issues
• Sold individually - order the quantity needed for your application

This lower injector seal is essential for maintaining proper fuel system operation. A worn or damaged seal can result in fuel leaks, rough idle, poor engine performance, and increased emissions. Replacing this seal during fuel injector service helps restore factory-level performance and reliability.

Cross Reference Numbers: 05080301AA, 6110170060, 611 017 00 60, A6110170060, 6010171360